Lamp



FIG. 1 is a front top right perspective view of a lamp according to my design;

FIG. 2 is a left side elevation view of the design shown in FIG. 1;

FIG. 3 is a front elevation view of the design shown in FIG. 1;

FIG. 4 is a right side elevation view of the design shown in FIG. 1;

FIG. 5 is a top plan view of the design shown in FIG. 1;

FIG. 6 is a back elevation view of the design shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the design shown in FIG. 1. 

I claim the ornamental design for a lamp, as shown and described. 